GB2019259A - Sealing assembly for sealing lead in areas in a powder type copying machine - Google Patents

Sealing assembly for sealing lead in areas in a powder type copying machine

Info

Publication number
GB2019259A
GB2019259A GB7913097A GB7913097A GB2019259A GB 2019259 A GB2019259 A GB 2019259A GB 7913097 A GB7913097 A GB 7913097A GB 7913097 A GB7913097 A GB 7913097A GB 2019259 A GB2019259 A GB 2019259A
Authority
GB
United Kingdom
Prior art keywords
sealing
areas
copying machine
powder type
type copying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB7913097A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lumoprint Zindler KG and Co GmbH
Original Assignee
Lumoprint Zindler KG and Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lumoprint Zindler KG and Co GmbH filed Critical Lumoprint Zindler KG and Co GmbH
Publication of GB2019259A publication Critical patent/GB2019259A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0942—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with means for preventing toner scattering from the magnetic brush, e.g. magnetic seals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
GB7913097A 1978-04-17 1979-04-12 Sealing assembly for sealing lead in areas in a powder type copying machine Withdrawn GB2019259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2816621A DE2816621C3 (de) 1978-04-17 1978-04-17 Dichtungsanordnung in einer Entwicklungsvorrichtung eines Kopiergeräte

Publications (1)

Publication Number Publication Date
GB2019259A true GB2019259A (en) 1979-10-31

Family

ID=6037195

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7913097A Withdrawn GB2019259A (en) 1978-04-17 1979-04-12 Sealing assembly for sealing lead in areas in a powder type copying machine

Country Status (5)

Country Link
US (1) US4213617A (de)
DE (1) DE2816621C3 (de)
DK (1) DK155579A (de)
GB (1) GB2019259A (de)
NL (1) NL7902890A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044225A1 (de) * 1980-07-14 1982-01-20 Xerox Corporation Gerät zur Entwicklung eines latenten Bildes
GB2139526A (en) * 1983-04-08 1984-11-14 Canon Kk Apparatus for developing latent images
GB2141049A (en) * 1983-06-08 1984-12-12 Xerox Corp Electrostatographic development apparatus

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5699364A (en) * 1980-01-11 1981-08-10 Olympus Optical Co Ltd Magnet roll developing device
DE3117296C2 (de) * 1981-04-30 1984-01-19 Siemens AG, 1000 Berlin und 8000 München Entwicklerstation zur Entwicklung von auf einem Ladungsbildträger erzeugten Ladungsbilder
JPS58172678A (ja) * 1982-04-04 1983-10-11 Mita Ind Co Ltd 静電写真複写機におけるクリ−ニング装置
US4697914A (en) * 1982-06-30 1987-10-06 Xerox Corporation Toner containment method and apparatus
JPS6054149U (ja) * 1983-09-20 1985-04-16 株式会社東芝 現像装置
JPS61500568A (ja) * 1983-11-30 1986-03-27 バロ−ス・コ−ポレ−ション 電子写真装置のための静電ダスト反発装置
JPS6134578A (ja) * 1984-07-26 1986-02-18 Canon Inc クリ−ニング装置
US4804995A (en) * 1985-07-31 1989-02-14 Kabushiki Kaisha Toshiba Charged latent image developing apparatus
US4616919A (en) * 1985-09-05 1986-10-14 International Business Machines Corporation Non-contact developer seal
US5084733A (en) * 1987-10-28 1992-01-28 Canon Kabushiki Kaisha Developing apparatus having developer layer regulation means
GB8801227D0 (en) * 1988-01-20 1988-02-17 Xerox Corp Sealing arrangement for auger
US4843421A (en) * 1988-06-24 1989-06-27 Xerox Corporation System for priming the magnetic brush end seals of copier/printer machines
US5177536A (en) * 1989-03-31 1993-01-05 Canon Kabushiki Kaisha Developing apparatus having a magnetic seal
JP2892456B2 (ja) * 1989-08-04 1999-05-17 キヤノン株式会社 現像装置
US5166731A (en) * 1990-02-14 1992-11-24 Sharp Kabushiki Kaisha Developing unit having a rotation shaft and sealing member
DE4112429A1 (de) * 1990-04-27 1991-10-31 Seikosha Kk Entwicklungsvorrichtung fuer einen elektrofotografischen drucker
US5293199A (en) * 1990-05-11 1994-03-08 Minolta Camera Kabushiki Kaisha Image forming apparatus having spacing roller for maintaining uniform spacing between image bearing member and developing material supplying means
JPH0468379A (ja) * 1990-07-09 1992-03-04 Sharp Corp 現像装置
JP2899079B2 (ja) * 1990-07-10 1999-06-02 キヤノン株式会社 現像装置
US5166733A (en) * 1992-01-30 1992-11-24 Xerox Corporation Blade and seal for preventing migration of toner particles from a developer roll in an electrophotographic printer
US5267003A (en) * 1992-08-11 1993-11-30 Olivetti Supplies, Inc. Toner cartridge refilling seal using magnetic material
US5570170A (en) * 1993-12-27 1996-10-29 Moore Business Forms, Inc. Electrostatic printing apparatus with a hopper and applicator roller with method of applying toner to and declumping the applicator roller
US5450169A (en) * 1994-06-23 1995-09-12 Xerox Corporation Multi-lobe magnetic seals
JP3252090B2 (ja) * 1996-07-10 2002-01-28 キヤノン株式会社 現像装置
JP3927661B2 (ja) * 1997-09-12 2007-06-13 キヤノン株式会社 現像装置、プロセスカートリッジおよび画像形成装置
JP4018210B2 (ja) * 1997-10-29 2007-12-05 キヤノン株式会社 現像装置及びプロセスカートリッジ及び電子写真画像形成装置
JP5707714B2 (ja) * 2010-03-12 2015-04-30 富士ゼロックス株式会社 現像装置及びこれを用いた画像形成装置
JP5716317B2 (ja) * 2010-08-16 2015-05-13 富士ゼロックス株式会社 現像装置、画像形成装置
CN104633125A (zh) * 2015-02-14 2015-05-20 合肥誉联信息科技有限公司 用于冷却辊筒的密封装置
CN107023683A (zh) * 2016-03-15 2017-08-08 安徽胜方信息科技服务有限公司 一种用于冷却辊筒的密封装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH293219A (de) * 1948-12-23 1953-09-15 Adolph Dr Razdowitz Dichtungsvorrichtung an zwei relativ zueinander drehbaren Hohlkörpern.
US2863538A (en) * 1954-10-22 1958-12-09 Eaton Mfg Co Permanent magnet seal
US3031802A (en) * 1960-11-29 1962-05-01 Bell Intercontinental Corp Blast machine sealing means
US3543720A (en) * 1968-02-29 1970-12-01 Eastman Kodak Co Apparatus for development of electrostatic images
US3643629A (en) * 1969-10-20 1972-02-22 Minnesota Mining & Mfg Magnetic powder applicator
US3791730A (en) * 1971-01-12 1974-02-12 Xerox Corp Apparatus for developing electrostatic latent images
US3834775A (en) * 1972-05-26 1974-09-10 Litton Systems Inc Ferrohydrodynamic low-friction bearing with improved volume compensation and fluid seal
DE2247953A1 (de) * 1972-09-29 1974-04-11 Brueckner Apparatebau Gmbh Vorrichtung zur abdichtung eines spaltes
US3848879A (en) * 1972-12-19 1974-11-19 Us Army Shaft seal
US3915121A (en) * 1973-11-19 1975-10-28 Xerox Corp Development apparatus
CH602974A5 (de) * 1974-12-20 1978-08-15 Heidenhain Gmbh Dr Johannes
GB1507837A (en) * 1975-08-11 1978-04-19 Ici Ltd Fluid seal
US4101211A (en) * 1976-07-12 1978-07-18 Eastman Kodak Company Magnetic curtain seal for development apparatus
NL180961C (nl) * 1976-08-19 1987-05-18 Oce Van Der Grinten Nv Magneetborstel-ontwikkelinrichting.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044225A1 (de) * 1980-07-14 1982-01-20 Xerox Corporation Gerät zur Entwicklung eines latenten Bildes
GB2139526A (en) * 1983-04-08 1984-11-14 Canon Kk Apparatus for developing latent images
GB2141049A (en) * 1983-06-08 1984-12-12 Xerox Corp Electrostatographic development apparatus

Also Published As

Publication number Publication date
DE2816621C3 (de) 1980-10-09
US4213617A (en) 1980-07-22
DK155579A (da) 1979-10-18
DE2816621A1 (de) 1979-10-18
NL7902890A (nl) 1979-10-19
DE2816621B2 (de) 1980-02-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)